# E-Commerce Fundamentals
Status: public
Confidence: medium (0.725) (verified)
Last verified: 2026-05-28
Generation: human_only

## TL;DR
E-commerce is online buying and selling. Reliable public coverage should distinguish the basic transaction definition, business models, and checkout usability instead of leaning on unsourced global market-size claims.

## Core Explanation
An e-commerce operation usually combines product information, ordering, payment, fulfillment, customer communication, and post-purchase support. Business models can include B2C, B2B, direct-to-consumer, marketplaces, subscriptions, and hybrid channels.

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